Intel® Fortran Compiler Classic and Intel® Fortran Compiler Developer Guide and Reference

ID 767251
Date 7/13/2023
Public

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Document Table of Contents

ACOSD

Elemental Intrinsic Function (Generic): Produces the arccosine of x.

result = ACOSD (x)

x

(Input) Must be of type real. The | x | must be less than or equal to 1.

Results

The result type and kind are the same as x and are expressed in degrees. The value lies in the range −90 to 90 degrees.

Specific Name

Argument Type

Result Type

ACOSD 1

REAL(4)

REAL(4)

DACOSD 1

REAL(8)

REAL(8)

QACOSD

REAL(16)

REAL(16)

1The setting of compiler options specifying real size can affect ACOSD and DACOSD.

Example

ACOSD (0.886579) has the value 27.55354.